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| Size | Hat Size | Inches | CM |
|---|---|---|---|
| X-Small | 6 ¼ - 6 ⅞ | 19.6" - 21.7" | 50 - 55 |
| Small | 6 ½ - 7 ⅛ | 20.5" - 22.4" | 52 - 57 |
| Most Popular Standard | 6 ⅞ - 7 ½ | 21.7" - 23.6" | 55 - 60 |
| X-Large | 7 ⅛ - 7 ⅞ | 22.4" - 24.8" | 57 - 63 |
To choose the right size, follow the steps below:
| Size | chest | waist | ||
|---|---|---|---|---|
| XS (0-2) | 31-34" | 79-86 cm | 25-27" | 64-69 cm |
| S (4-6) | 34-37" | 86-94 cm | 28-30" | 71-76 cm |
| M (8-10) | 38-41" | 97-104 cm | 31-33" | 79-84 cm |
| L (12-14) | 42-45" | 107-114 cm | 34-36" | 86-91 cm |
| XL (16-18) | 46-49" | 117-124 cm | 37-39" | 94-99 cm |
| XXL (20-22) | 50-53" | 127-135 cm | 40-42" | 102-107 cm |
To choose the right size, follow the steps below:
Wrap the measuring tape around the fullest part of your chest, just under the arms and across the shoulder blades. Keep it horizontal and snug, but not tight.
Find the narrowest part of your torso, just above the belly button. Wrap the tape around your waist comfortably, leaving space for one finger.
| Size | hips | waist | ||
|---|---|---|---|---|
| XS (0-2) | 34-36" | 86-91 cm | 24-26" | 24-26" |
| S (4-6) | 36-38" | 91-97 cm | 28-30" | 71-76 cm |
| M (8-10) | 38-40" | 97-102 cm | 30-32" | 76-81 cm |
| L (12-14) | 40-42" | 102-107 cm | 34-36" | 86-91 cm |
| XL (16-18) | 42-44" | 107-112 cm | 38-40" | 97-102 cm |
| XXL (20-22) | 44-46" | 112-117 cm | 40-42" | 102-107 cm |
To choose the right size, follow the steps below:
Stand with your feet together and wrap the tape around the fullest part of your hips, keeping it level and snug but not tight.
Measure your waist at the narrowest part, usually just above the belly button. Wrap the tape snugly around your waist, leaving a finger's width for comfort.
















The right fit shouldn't be the exception. It should be the standard.
If you've ever said, “No hats ever fit me,” you already know the problem. Most hats are designed around a standard fit, leaving larger head sizes to stretch, adjust, or settle for something that never quite feels right. Alter Ego took a different approach.
The XL Hats Collection is purposefully engineered for larger head sizes, with an extended circumference and deeper crown designed to provide the room, coverage, and comfort a great hat should deliver. And because bigger doesn't mean compromising on performance, every XL style brings the same Alter Ego technology, durability, and attention to detail found throughout our collection.
We didn't make a standard hat bigger. We built the fit differently.
Every XL hat combines a purpose built fit with the performance technology Alter Ego believes premium headwear should deliver.
At Alter Ego, we believe performance headwear should be designed around the people who wear it, not around a one size fits all.
We heard from runners, athletes, and everyday hat wearers who were tired of choosing between a hat that fit and a hat that performed. That shouldn't be a choice. So we approached the problem differently, creating an XL fit with the additional circumference and crown depth larger head sizes actually need.
The result is a hat that feels intentional from the first wear. The same performance technology, materials, and design standards that define Alter Ego, now engineered around a different fit.
Because “close enough” was never the standard we wanted to set.
The XL Hats Collection was engineered for a specific fit, but it was never designed for just one activity.
For running and training, lightweight, breathable, sweat wicking materials help keep you comfortable through the miles, while the extended fit provides the room you need without constantly adjusting your hat.
For golf, hiking, outdoor adventures, and active days, performance construction delivers the comfort and durability needed to stay focused on what you're doing rather than how your hat fits.
For travel and everyday wear, clean silhouettes and versatile designs make these XL hats easy to build into your regular rotation. The fit is purpose built, but the lifestyle is anything but limited. And that's the point.
A larger head size shouldn't mean settling for a hat that feels like an afterthought. It should mean having access to the same level of performance, design, and quality as everyone else.
The fit is different. The standard isn't.
The right fit shouldn't be the exception. It should be the standard.
If you've ever said, “No hats ever fit me,” you already know the problem. Most hats are designed around a standard fit, leaving larger head sizes to stretch, adjust, or settle for something that never quite feels right. Alter Ego took a different approach.
The XL Hats Collection is purposefully engineered for larger head sizes, with an extended circumference and deeper crown designed to provide the room, coverage, and comfort a great hat should deliver. And because bigger doesn't mean compromising on performance, every XL style brings the same Alter Ego technology, durability, and attention to detail found throughout our collection.
We didn't make a standard hat bigger. We built the fit differently.
Every XL hat combines a purpose built fit with the performance technology Alter Ego believes premium headwear should deliver.
At Alter Ego, we believe performance headwear should be designed around the people who wear it, not around a one size fits all.
We heard from runners, athletes, and everyday hat wearers who were tired of choosing between a hat that fit and a hat that performed. That shouldn't be a choice. So we approached the problem differently, creating an XL fit with the additional circumference and crown depth larger head sizes actually need.
The result is a hat that feels intentional from the first wear. The same performance technology, materials, and design standards that define Alter Ego, now engineered around a different fit.
Because “close enough” was never the standard we wanted to set.
The XL Hats Collection was engineered for a specific fit, but it was never designed for just one activity.
For running and training, lightweight, breathable, sweat wicking materials help keep you comfortable through the miles, while the extended fit provides the room you need without constantly adjusting your hat.
For golf, hiking, outdoor adventures, and active days, performance construction delivers the comfort and durability needed to stay focused on what you're doing rather than how your hat fits.
For travel and everyday wear, clean silhouettes and versatile designs make these XL hats easy to build into your regular rotation. The fit is purpose built, but the lifestyle is anything but limited. And that's the point.
A larger head size shouldn't mean settling for a hat that feels like an afterthought. It should mean having access to the same level of performance, design, and quality as everyone else.
The fit is different. The standard isn't.
Yes! The XL hats are simply “sized up” versions, they’re custom-designed with deeper crowns, extended circumference, and an adjusted shape to properly fit larger head sizes. Most brands just stretch their standard sizing, which can feel tight or awkward, but our XL design was built from the ground up to deliver comfort, balance, and performance without compromise.
Each hat features an extended snapback closure, giving you flexibility while still providing a secure fit. The design ensures that even with adjustments, the hat maintains its shape and comfort.
Yes. Built with ultra-light fabric, sweat-wicking tech, and breathable materials, the XL hats are engineered for endurance performance. Regardless of the distance, intensity, or temperature, our gear will stay comfortable, mile after mile.
Absolutely. The XL hats are as versatile as they are performance-driven. With their clean design and extended sizing, they transition seamlessly from running and training to travel, casual wear, or outdoor adventures.
No machine wash needed. Just rinse with cool water, shake it out, and let it air dry. The low-maintenance construction and durable materials are designed to stay fresh through repeated use.
Meet the coaster fit, our modern interpretation of a timeless classic.
Meet the coaster fit, our modern interpretation of a timeless classic.
Introducing the trotter fit, our modern interpretation of a classic hat that is sure to impress.
Elevate your running game with the cruiser fit - a premium, unstructured running hat that looks and feels fast, while The drifter fit was designed with modern style in mind, featuring a horizontal shape and flat brim that offer a sleek and contemporary look.
Available in August 2026
You'll be the first to know when this is in stock
| Size | Hat Size | Inches | CM |
|---|---|---|---|
| X-Small | 6 ¼ - 6 ⅞ | 19.6" - 21.7" | 50 - 55 |
| Small | 6 ½ - 7 ⅛ | 20.5" - 22.4" | 52 - 57 |
| Most Popular Standard | 6 ⅞ - 7 ½ | 21.7" - 23.6" | 55 - 60 |
| X-Large | 7 ⅛ - 7 ⅞ | 22.4" - 24.8" | 57 - 63 |
To choose the right size, follow the steps below:
| Size | chest | waist | ||
|---|---|---|---|---|
| XS (0-2) | 31-34" | 79-86 cm | 25-27" | 64-69 cm |
| S (4-6) | 34-37" | 86-94 cm | 28-30" | 71-76 cm |
| M (8-10) | 38-41" | 97-104 cm | 31-33" | 79-84 cm |
| L (12-14) | 42-45" | 107-114 cm | 34-36" | 86-91 cm |
| XL (16-18) | 46-49" | 117-124 cm | 37-39" | 94-99 cm |
| XXL (20-22) | 50-53" | 127-135 cm | 40-42" | 102-107 cm |
To choose the right size, follow the steps below:
Wrap the measuring tape around the fullest part of your chest, just under the arms and across the shoulder blades. Keep it horizontal and snug, but not tight.
Find the narrowest part of your torso, just above the belly button. Wrap the tape around your waist comfortably, leaving space for one finger.
| Size | hips | waist | ||
|---|---|---|---|---|
| XS (0-2) | 34-36" | 86-91 cm | 24-26" | 24-26" |
| S (4-6) | 36-38" | 91-97 cm | 28-30" | 71-76 cm |
| M (8-10) | 38-40" | 97-102 cm | 30-32" | 76-81 cm |
| L (12-14) | 40-42" | 102-107 cm | 34-36" | 86-91 cm |
| XL (16-18) | 42-44" | 107-112 cm | 38-40" | 97-102 cm |
| XXL (20-22) | 44-46" | 112-117 cm | 40-42" | 102-107 cm |
To choose the right size, follow the steps below:
Stand with your feet together and wrap the tape around the fullest part of your hips, keeping it level and snug but not tight.
Measure your waist at the narrowest part, usually just above the belly button. Wrap the tape snugly around your waist, leaving a finger's width for comfort.
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